Dell Inspiron 3500 Reference And Troubleshooting Manual page 82

For information on the Setup program, see Chapter 2, "Customizing System Fea-
tures." Is the Infrared Port option set correctly for the external device with which
you are communicating?
Yes. Go to step 3.
No. Go to step 2.
2. Change the Infrared Port option to the appropriate setting, and then reboot the
system.
Is the problem resolved?
Yes. The problem is resolved.
No. Go to step 3.
3. Insert your diagnostics diskette into drive A, reboot the computer, and run the
Serial/Infrared Ports test group in the Dell Diagnostics. (See Chapter 4, "Running
the Dell Diagnostics.") The Serial/Infrared Ports test group checks the basic func-
tions of the computer's infrared logic.
4. Do the tests complete successfully?
Yes. The infrared port is functioning properly. There may be a problem with the
infrared application program or with the external device. Check the documenta-
tion that came with the application program and with the external device.
No. Call Dell for technical assistance. (See Chapter 5, "Getting Help," for
instructions.)
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This section provides a procedure for troubleshooting the computer's touch pad.
Make a copy of the Diagnostics Checklist found in Chapter 5 and fill it out as you com-
plete the following procedure:
1. Insert your diagnostics diskette into drive A, reboot the computer, and run the
Mouse Test in the Dell Diagnostics. (See Chapter 4, "Running the Dell Diagnos-
tics.") The Mouse test checks the functionality of the mouse controller (which
affects the ability to move the pointer around the screen) and the operation of the
touch pad buttons.
2. Do the tests complete successfully?
Yes. The controller is functioning properly. If the problem persists, call Dell for
technical assistance. (See Chapter 5, "Getting Help," for instructions.)
No. Call Dell for technical assistance. (See Chapter 5, "Getting Help," for
instructions.)
Troubleshooting Your Computer 3-35